Coffee machine



1. Coffee machine

1.1 is a front view of a coffee machine showing the new design;

1.2 is a back view thereof;

1.3 is a left side view thereof;

1.4 is a right side view thereof;

1.5 is a top view thereof;

1.6 is a bottom view thereof;

1.7 is a front perspective view thereof; and

1.8 is a back perspective view.

The broken lines and areas within them depict portions of the coffee machine that form no part of the claimed design. 

CLAIM The ornamental design for a coffee machine, as shown and described. 